When to plant Tomatoes in Marion County, AL
Marion County's climate puts the Tomatoes spring window between April 2 and April 23. most warm-season crops establish quickly once soil holds above 60°F.
When to Plant Tomatoes in Marion County, AL
Top priorities for Marion County, Alabama gardeners in June
Each item below is timed to Marion County, Alabama's frost dates and soil temperatures. Skip nothing, stress about nothing.
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It's harvest week for tomatoes
Morning harvests are best — cooler temperatures mean crisper produce and longer fridge life.
Before July arrives, get these ready
- First harvests: tomatoes
Tomatoes are the most popular home garden crop, available in thousands of varieties from tiny cherries to massive beefsteaks. They are warm-season plants needing full sun.
Marion County, Alabama is in USDA Zone 7b. The average last spring frost is March 26 and the first fall frost is November 5, giving you a growing season of approximately 224 days.
At an elevation of 387 feet, Marion County receives approximately 56.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 93°F, providing good warmth for Tomatoes during the growing season. Clay soil retains moisture well for Tomatoes, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Tomatoes root diseases.
Marion County Soil Profile
Soil Type
Clay Loam
Soil pH
5.5-6.8
Drainage
Well Drained
Tomatoes Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Soil Compatibility in Marion County
How your county's soil matches Tomatoes's growing requirements.
Soil pH
Your soil pH (5.5–6.8) overlaps with Tomatoes's range (6.0–7.0), though not a perfect match.
Soil Texture
The clay loam soil in Marion County is excellent for Tomatoes — good drainage, moisture retention, and nutrient holding capacity.
Drainage
Drainage is adequate for Tomatoes.
Organic Matter
Organic matter is moderate (2.8%). Annual compost additions will help Tomatoes.
How to Plant Tomatoes
Succession Planting Tomatoes
Sow every 6.9 weeks. Last sowing by Aug 12 to harvest before frost.
Tomatoes Water Budget
Monthly Watering Guide for Tomatoes
Tomatoes needs approximately 1.2 inches of water per week (5.2" per month). Here's how your county's rainfall compares month by month.
| Month | Tomatoes Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 4.9" | 0" | ❄️ Dormant |
| Feb | — | 4.5" | 0" | ❄️ Dormant |
| Mar | 5.2" | 4.8" | 0.4" | 💧 Light watering |
| Apr | 5.2" | 4.9" | 0.3" | 💧 Light watering |
| May | 5.2" | 4.3" | 0.9" | 💧 Light watering |
| Jun | 5.2" | 4.5" | 0.7" | 💧 Light watering |
| Jul | 5.2" | 5.9" | 0" | ✅ Rainfall sufficient |
| Aug | 5.2" | 6.1" | 0" | ✅ Rainfall sufficient |
| Sep | 5.2" | 4.6" | 0.6" | 💧 Light watering |
| Oct | 5.2" | 3.1" | 2.1" | 💧 Light watering |
| Nov | 5.2" | 4.3" | 0.9" | 💧 Light watering |
| Dec | — | 4.4" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Mar–Nov in Marion County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Tomatoes Heat Requirements (GDD)
What are Growing Degree Days (GDD)?
Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.
Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.
Tomatoes Planting Timeline — Marion County, AL
Tomatoes Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 5 | Feb 5 – Feb 19 |
| Transplant Outdoors | April 9 | Apr 9 – Apr 23 |
| Direct Sow | April 2 | Apr 2 – Apr 23 |
| Harvest | June 11 | Jun 11 – Aug 20 |
Plant 0.5" deep · 24" apart · Rows 36" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | — |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
1.2"/week · Natural rainfall sufficient
📅 Days to Maturity
60–85 days
🧪 Soil pH
Needs 6–7 · Your soil: acceptable
🗺️ USDA Zone
Zone 7b
📆 Growing Season
224 days in Marion County
Growing Tips for Tomatoes in Marion County
Direct sow Tomatoes outdoors after March 26 in Marion County when soil has warmed and frost danger has passed.
With Marion County's clay soil (30% clay), work in 3-4 inches of compost before planting Tomatoes. Avoid tilling when soil is wet to prevent compaction.
Common pests for Tomatoes in this region include tomato hornworm and aphids. Use row covers early in the season and inspect plants weekly.
General growing tips
Start seeds indoors 6-8 weeks before last frost. Bury transplants deep to encourage rooting along the stem. Provide consistent moisture to prevent blossom end rot and cracking.
Recommended Tomatoes Varieties for Marion County
Disease-resistant varieties for your humid climate
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Isolate 25 ft between varieties for purity. Use open-pollinated varieties for true-to-type seeds.
Tomatoes in Other Locations
Frequently Asked Questions
When should I plant Tomatoes in Marion County, AL?
Marion County is in Zone 7b with an average last frost of March 26. Plan your Tomatoes planting based on this frost date — see the calendar above for exact timing.
What planting zone is Marion County, AL?
Marion County, Alabama is in USDA Hardiness Zone 7b. The average last spring frost is March 26 and first fall frost is November 5.
When should I plant Tomatoes in Marion County, AL?
In Marion County, AL, plant Tomatoes after the last frost (around March 26) and before the first frost (around November 5). Best results when soil holds above 50°F.
What growing zone is Marion County, AL for Tomatoes?
Marion County sits in USDA Zone 7b. Tomatoes grows reliably in zones 3a through 11b, so it's a good fit here.
Can Tomatoes grow in Marion County's climate?
Yes — Tomatoes grows well in Marion County's temperate climate. Marion County averages a 224-day frost-free season, with last frost around March 26 and first frost around November 5.
Your Marion County Garden Planner — Free
A 22-page printable planner built for Marion County (Zone 7b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.